Check the fuel filter and the fuel pump pressure. The problem sounds like the fuel pressure is too low to keep the engine running.
The fuse for the computer in Mitsubishi Montero 1990 is located under the plate called fuse panel. This is where you will find the fuse.
The 1990 Mitsubishi Montero 3.0 V6 is listed as a non-interference engine. Replace the belt every 60,000 miles.
Dexron III
1990 will most likely be SOHC, so 12 valves.
go to the makers web site or google
The automatic transmission temperature sensor, on your 1990 Mitsubishi, is located on the top of the transmission. The sensor will have to electrical wires going to it.
Try calling your local wrecking yard as they have crossover books.
The 1990 Mitsubishi does have a computer. You can reset the computer by removing the positive cable from the battery. Keep the cable off for 30 seconds and return it to its original position.
your front hubs are still locked.make sure it is in 2 wheel drive,and try backing up to release them.
check your bulbs some bulbs have two filament on them one may be out and the other working.
A loose crank pully retaining bolt will make it leak.
no, but heres a list of cars with the same style engine as your lebaron, not saying theyre exactly the same, wiring is probably different, but the basic engine is the same, from wikipedia * 1990-2001 Mitsubishi GTO (aka Mitsubishi 3000GT, Dodge Stealth) * 1989-1995 Plymouth Acclaim/Dodge Spirit * 1987-2000 Dodge Caravan/Plymouth Voyager * 1990-1993 Dodge Ram 50 * 1988-1989 Dodge Dynasty * 1988-1990 Dodge Raider * 1991-1996 Dodge Stealth * 1987-1995 Chrysler LeBaron * 1989-1991 Chrysler TC by Maserati * 1988-1989 Chrysler New Yorker * 1990-1993 Dodge Daytona * 1989-1994 Dodge Shadow ES * 1992-1994 Plymouth Duster * 2000-2005 Mitsubishi Eclipse * 1991-1999 Mitsubishi 3000GT * 1999-2003 Mitsubishi Galant * 1988-1990 Mitsubishi Sigma * 1990-1998 Hyundai Sonata * 2001-2005 Dodge Stratus/Chrysler Sebring Coupe * 1990-2002 Mitsubishi Diamante * 1991-1996 Mitsubishi Verada (Australia) * 1993-2002 Mitsubishi Magna (Australia) * 1990-2006 Mitsubishi L200 * 1990-1996 Mitsubishi Mighty Max * 1988-present Mitsubishi Pajero (aka Montero/Shogun) (Japanese and Middle East markets) * 1998-present Mitsubishi Challenger (aka Montero Sport)